S V M M A T I O 



PLVRIVM SERIERVM 



EX SINVBVS VEL COSINVBVS 



ARCVVM ARITH^IETICE PKOGREDIENTIVM 

 FORMATARVM. 



Au6lore 

 NICOLAO FFSS. 



I 



Conv. Acad. cxhibita die ii lanuar. 1796. 



5. 



lam anlc triginta , et qiiod excnrrit , annos Cel. qiiondaiTr 

 JLidenis in differtatione fua , Suhfidium Calculi Sinuum in- 

 fcripla et Tomo V. Novonini Commentariorum inferta, Tiieo- 

 lema protiilerat ita enuntiatum: Si affignarl qucat fumma. 

 Judus fcrici infmitae: 



A z'" -h B z^ -^ " -f- C z"' -^ - "^ H- D z'^ -^ 3 .' -j- etc. 

 femper quoque exhiberi poLerunt fummae harum fcrierum: 

 A cof. m \i/ -^- Bcof. (m -+- 72) \|y -+- C cof. (m h- 2 /2) vp -t- ctc. =: S, 

 A fi n Hi 4/ -+- B fi n. (m -^- n ) v|y -i- C fin. (m ~h 2 n) \|y -f- etc. =r T. 

 Dcmonftralio huius Theorematis , iit rem brcvi compleflar, 

 ita fe habct: Cum pofito cof. \p -j- j/ — ifin.\\^~p et 

 cof. vl> — >/ — I n.i. v{y — qf, fit 



cof. 



